| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never used drugs | 550 |
74.7%
|
| 2 | 7 years old or younger | 26 |
3.5%
|
| 3 | 8 or 9 years old | 15 |
2%
|
| 4 | 10 or 11 years old | 37 |
5%
|
| 5 | 12 or 13 years old | 60 |
8.2%
|
| 6 | 14 or 15 years old | 38 |
5.2%
|
| 7 | 16 or 17 years old | 10 |
1.4%
|
| 8 | 18 years old or older | 0 |
0%
|
| Sysmiss | 77 |